Door Lock Switch INSPECTION OF DOOR LOCK SWITCH INSPECT SWITCH OPERATION (a) Check that there is continuity between terminals with the door closed. (b) Check that there is no continuity between terminals with the door opened. If operation is not as specified, replace the switch. Back Door Courtesy Switch INSPECTION OF BACK DOOR COURTESY SWITCH INSPECT SWITCH OPERATION (a) Check that there is continuity between terminal and body ground when the switch is free. (b) Check that there is no continuity between terminal and body ground when the switch pin is pushed. If operation is not as specified, replace the switch. Back Door Key Unlock Switch INSPECTION OF BACK DOOR KEY UNLOCK SWITCH INSPECT SWITCH CONTINUITY (a) Check that there is continuity between terminals 1 and 3 with the switch is unlock position. (b) Check that there is no continuity between terminals 1 and 3 with the switch is except unlock position. If continuity is not as specified, replace the switch. Diode (For LH Key Unlock Switch and Taillight Control Relay) INSPECTION OF DIODE INSPECT DIODE CONTINUITY Connect the test leads of the ohmmeter to terminals 1 and 2, and check for continuity. Next reverse the test leads and check, again, for continuity. If both of the test results are same condition, replace the diode.